Toshiba DF02A Instruction Manual - Page 8

4-2. Line lock Control • Matching the vertical synchronization with the power frequency is called the Line Lock. • To activate the line lock, set the LL switch to ON. 1234 ON OFF Line Lock • When two or more cameras are switched by the video switcher for viewing with a display monitor the vertical synchronization phase can be locked to the power frequency for a stable vertical synchronization. BNC Connector Video Switcher Display Monitor Camera 1 Connector Camera 2 To 24V AC UL Listed Class 2 power supply. • When connecting to DC power supply, the Line Lock function is not activated. Note: • The camera is synchronized to the power frequency of 60 ±1 Hz covering a normal fluctuation of the power frequency. However, the camera may not cover a large fluctuation caused from the power generated by a generator, etc. • It takes approximately 10 seconds or more until a stable synchronization is obtained after the power is turned on.This is normal, because several seconds are required to stabilize the camera against power noise. • Refer to section 7. "LINE LOCK PHASE" for adjustment instructions. Downloaded from www.Manualslib.com manuals search engine - 7 -